Service Areas

GSO offers overnight delivery to every address in California and select regions of Western Nevada and Arizona.

The Nevada service area includes the metropolitan areas of Reno and Las Vegas.

The Arizona service area includes the metropolitan areas of Phoenix, Tucson and Flagstaff.

Packages sent between Arizona and Northern California may require two (2) days delivery time. Please use the Delivery Rates & Times Calculator to calculate actual delivery times.*

*Saturday delivery service may not be available for packages sent between Arizona and Northern California Destinations.

Please Note: GSO does not deliver to Post Office Box addresses.